Method of making silicon.



unTTnn eTi-iTns PATENT oTTTon HENR NOEL POTTER, OF NEW ROCHELLE, NEW YORK, ASSIGNOR TO GEO. WESTINGHOUSE, OF PITTSBURG, PENNSYLVANIA.

METHOD OF MAKING SILICON.

No. 876,285. Specification of Letters Patent. Patented Dec. 31, 1907. Application filed June 10,1905- Serinl No. 264.548.

Be it known that I, HENRY NOEL POTTER, 1. The method of producing silicon by rea citizen of the United States, and resident ducing silicon monoxid. of New Rochelle, county of Westchester, 2, The method of producing silicon by re- 5 State of New York, have invented certain i duc ing silicon monoxid with carbon. 20 new and useful Improvements in Methods of 1 3. The method of producing silicon by Making Silicon, of which the following is a l heating together one equivalent of silicon specification. monoxid and one equivalent of carbon.

have discovered a new reaction for pro- 1 Signed at New York, in the county of New I l l i To all whom it may concern: a I claim as my invention l l l 10 ducing silicon, namely SiO+C=Si+CO. York, and State of New York, this 7th day 25 The reaction is accomplished by mixing of June A. D. 1905. the In atcricls preferably in a fine state of sub HENRY NOEL POTTER. division and heating them sufficiently, preferably in a suitable electric furnace, in the 15 absence of free oxygen or other reactive gas.

Witnesses WM. ll. CAIEL, (lnoncn ll. S'rocn mi on m. 

